.logo-main-white {
  max-width: 200px;
  margin-bottom: 2rem;
}

.main-card {
  max-width: 45rem;
  margin: 0 auto;
  margin-bottom: 0px;
  margin-bottom: 2rem;
}

#promo h3 {
  color: #fff;
  margin-right: 1em;
}

#promo pre[class*="language-"] {
  margin-top: 2rem !important;
  margin-bottom: 2rem !important;
}